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brush vs Elvish: catalog facts
brush	Elvish
Best for: Bash users curious about a Rust implementation of a familiar shell	Best for: People who want a shell with a real programming language for scripts
Free Free and open source.	Free Free and open source.
Linux, Command line	Windows, macOS, Linux, Command line
Bash-compatible syntax, so existing knowledge carries over Written in Rust	Readable scripts with lists, maps and functions Catches errors like undefined variables before running All 4 strengths for Elvish Readable scripts with lists, maps and functions Catches errors like undefined variables before running Failed commands abort execution by default Single static binary for Linux, BSDs, macOS and Windows
Compatibility with Bash may not be complete Younger and less widely used than Bash	Not POSIX compatible, so Bash scripts do not run unchanged Smaller ecosystem than Bash, Zsh or Fish
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: BSD-2-Clause
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for brush github.com/reubeno/brush Catalog checked October 2, 2026	Official website Full listing and sources Sources for Elvish elv.sh Catalog checked September 24, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.